181219984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{2389}}^1$

素因数の和:2839

約数の個数: 40

約数和(自身を含む): 384082560

約数和(自身を除く): 202862576

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 431, 862, 1724, 2389, 3448, 4741, 4778, 6896, 9482, 9556, 18964, 19112, 26279, 37928, 38224, 52558, 75856, 105116, 210232, 420464, 1029659, 2059318, 4118636, 8237272, 11326249, 16474544, 22652498, 45304996, 90609992, 181219984]

約数ペア:

[(1, 181219984), (2, 90609992), (4, 45304996), (8, 22652498), (11, 16474544), (16, 11326249), (22, 8237272), (44, 4118636), (88, 2059318), (176, 1029659), (431, 420464), (862, 210232), (1724, 105116), (2389, 75856), (3448, 52558), (4741, 38224), (4778, 37928), (6896, 26279), (9482, 19112), (9556, 18964)]